Dee Hahn

"Twelve-year-old Spade is a grave thief ... He's headed for a lifetime of theft when his father comes up with the audacious plan to rob a grave in the Wyndhail castle cemetery. Spade and his brother get caught in a royal trap, and Spade must find the master of the Woegon: a deadly creature that is stalking the castle by night. Along the way, he meets Ember, the queen's niece, and together they race to solve the mystery of the legendary Deepstones...